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SAD622S - SYSTEMS ADMINISTRATION - 1ST OPP - NOV 2023 |
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nAmlBIA unlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF COMPUTING AND INFORMATICS
DEPARTMENT OF COMPUTER SCIENCE
QUALIFICATION:
BACHELOROF COMPUTERSCIENCE
QUALIFICATIONCODE: 07BACS,07BCCS,07BCCY,07BCMS
COURSE:SYSTEMSADMINISTRATION
DATE: NOVEMBER2023
DURATION: 2 HOURS
LEVEL:6
COURSECODE: SAD622S
SESSION: 1
MARKS: 50 (100%)
EXAMINER(S)
MODERATOR:
FIRSTOPPORTUNITYEXAMINATION QUESTIONPAPER
MR. SHADRECKCHITAURO
MS. ALBERTINASHILONGO
MS. NDESHIHAFELAKAKWAMBI
MS. LINEEKELASHISHIVENI
MS. HELENAHAINANA
MS. TALENIANDJAMBA
MR. ISAACNHAMU
THISQUESTIONPAPERCONSISTSOF 5 PAGES
(Excluding this front page)
INSTRUCTIONS
1. Answer all questions.
2. Write all your answers in the answer booklet provided and number every question.
3. Please, ensure that your writing is legible, neat and presentable.
4. Marks/scores per question are given in square brackets [ ].
5. Do not use or bring into the examination venue books, programmable calculators, mobile
devices and other material that may provide you with unfair advantage. Should you be in
possession of one right now, draw the attention of the examination officer or invigilator.
6. All things that should not be marked, e.g. any "rough work", have to be crossed out
unambiguously.
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1. True or False
[5]
(a) Hyper-V provides services and management tools for creating and running virtual
machines and their resources.
(b) Windows Server 2012/16/19 standard edition support up to 4 terabytes (TB) of RAM
while Windows Server 2012/16/19 enterprise edition support more than 4 terabytes
(TB) of RAM.
(c) An IP address is composed of network portion and host portion.
(d) For a worm to spread and affect other computers in a network, a user must copy it
from one machine to another until all are infected.
(e) Two machines in different networks are able to communicate without a layer 3
device.
2. Multiple Choice
[8]
i)
When configuring Windows Server 2012/16/19 as a domain controller and enter
example. com as the Root domain name. Which answer shows that the
default NetBIOS name is the same as the server name (hostname).
a) example0
b) netbios name conflict
c) netbios duplicate d) server name duplicate
ii)
Which file will be used to store user details and passwords in Windows
a) SAM
b) passwd c) shadow d) User_Pass
iii) Which command was used to get the following screenshot?
Stopping httpd:
Starting httpd:
[root@localhost
RPMS]#D
[ OK ]
[ OK ]
a) Start httpd b) service httpd start c) service httpd restart d) restart httpd
iv) What is the purpose of the following Windows command typed in Windows
Server 2012/16/19? Select the best answer: dir > errors . txt
a) display the contents of errors.txt file
b) create the file errors.txt
c) captures all errors after the dir command
d) to list all files in the current location
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v)
Study the following diagram extracted from Windows Server 2012/16/19 Server
Core.
c:,Documents and Settings,Administrator>dsquePy
user
"CN=Administ1•ato1•. CH=Use1•s. DC=ced. DC=ac. DC=na"
"CN=Guest. CN=Use1•s. DC=ced, DC=ac. DC=na"
"CN=SUPPORT_388945a0, CN=Use1•s. DC=ced, DC=ac. DC=na"
"CH=k1•btgt. CN=Use1•s. DC=ced, DC=ac. DC=na"
c:,Documents and Settings,Administrator)
Select the default container where all the accounts shown above are stored.
a) Administrator
b) ac
c) Users
d) na
e) ced
f) krbtgt
vi) Your network contains an Active Directory domain named example.com. The
domain contains a file server named station254 that runs Windows Server
2012/16/19 R2. Station254 contains a shared folder named HomeFolders as
shown below. HomeFolders contains the home folder for each user. All users
have the necessary permissions to access only their home folder. A user named
fsuser3 opens the HomeFolders share as shown below. You need to ensure that
all users see only their own home folder when they access HomeFolders. What
should you do from station254?
111111H1o1m1e Share View
(B
T 1' \\J.l
* Favorites
11!D1esktop
tJfDownloads
'ii<.R) ecent places
Network
station254
I
.I
119T)his PC
fsuser1
HomeFolders
fsuser2
I
.I
fsuser3
I .., C, Search HomeFolclers
l
fsuser4
I
L
fsuser5
I
J
fsuser6
a) From Server Manager, modify the properties of HomeFolders
b) From Windows Explorer, modify the properties of HomeFolders
c) From Server Manager, modify the properties of the volume that contains
HomeFolders
d) From Windows Explorer, modify the properties of the volume that
contains HomeFolders
e) No configuration needed
vii) Which of the following Linux installation commands will not resolve
dependencies automatically? (Select two)
a) yum
b) rpm
c) install-get d) apt e) dpkg
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3. Short Questions
(a) What do you understand by Global Catalog server in Windows Server 2012/16/19
Active Directory?
[2]
(b) Which two ways can group policy objects be created from?
[4]
(c) Explain how a systems administrator uses the ping command to test DNS
functionalities. Given 192.168.20.254 as the IP address of the DNSserver. [2]
(d) State two locations in your Windows 2012/16/19 Active Directory where you can
create an Organizational Unit(OU).
[2]
(e) You have been hired by a certain company to rectify a Linux login problem for John.
Every time John tries to logon he get "permission denied error". You checked his
entry in /etc/passwd file and it appears as follows:
john:x:537:100:John:/root:/bin/ash
What will be your solution to the above problem?
[3]
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4. Long Questions
(a) Analyse the following diagram and the screenshot below and answer the questions
which follows. The screenshot below the diagram shows some configurations for the
DNS in the diagram.
If II
•
.com
1
•
//
google.com
;I: 3 II
Client
DNS
--www.google.com
~1172.217.170.36
.
>set q=soa 65 changes
unrecognised command: set q=soa 65 changes
>contoso.com
Server:
server254.contoso.com
Address: 192.168.20.254
contoso.com
primary name server= server254.contoso.com
. responsible person = prim.contoso.com
serial= 18
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
server254.contoso.com internet address = 192.168.20.254
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i)
What do you understand by DNSrecursive and iterative lookup process? [4]
ii)
From the diagram above in step 1 where the arrow points to"." and from".", what
is the meaning of"." and how many objects are referred to by the "."?
[3]
iii) Using information shown in the diagram above, write down the email address which
will be used in case the DNSservice experience problems.
[2]
iv) Any change you make in your zone records will be recorded. Based on the
information given above, how many changes were made to zone record? [2]
v)
If a client machine in the diagram above resolves www.google.com through the DNS
server shown above. Considering that the client did not access www.google.com in
the next 30 hours. What will be the lifetime for records in the client's cache? [2]
vi) Give one record type which you can find in reverse lookup zone.
[1]
5. As an administrator you can administer active directory running a server 2012/16/19
core edition using commands. Identify the error in the following command for adding a
user to a domain controller active directory and users.
[2]
net user sad622s Pa%$w0rd /add /contoso.com
6. Unix Commands
i.
Write the command to create a file called sadtest in /tmp folder
[1]
ii.
Write down the command to change the file permission created in i. above to
group=rw- ; owner=rwx; others=r- -
[3]
iii. Change the owner of the file created in i. to maria
[2]
iv. What will be the problem of entering the following command in Linux: [2]
useradd -g 700 james -p tests
End of question paper
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4. LongQuestions
(a) Analyse the following diagram and the screenshot below and answer the questions
which follows. The screenshot below the diagram shows some configurations for the
DNS in the diagram.
Q
A
Client
.google.com.
""
.com
II
google.com
3 ii
www.google.com
.. , 172.217.170.36
>set q=soa 65 changes
unrecognised command: set q=soa 65 changes
>contoso.com
Server:
server254.contoso.com
Address: 192.168.20.254
contoso.com
primary name server = server254.contoso.com
responsible person = prim.contoso.com
serial= 18
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
server254.contoso.com internet address = 192.168.20.254
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